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phon    
n. 音响的强度单位

音响的强度单位


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英文字典中文字典相关资料:


  • Phone App - App Store
    Download Phone by Apple on the App Store See screenshots, ratings and reviews, user tips, and more apps like Phone
  • Phone by Google - Apps on Google Play
    Google’s official phone calling app is now available to download for the first time Phone helps you easily connect with family and friends, block spam callers, and know who’s calling before you
  • Buy Cell Phones, Smartphones Mobile Phones | AT T Wireless
    Save when you add a new phone line with an eligible unlimited plan AT T may temporarily slow data speeds if the network is busy
  • Amazon. com: Iphone
    Shop Apple iPhones with advanced features like Super Retina displays, powerful processors, and excellent cameras Find yours today
  • Phon - Wikipedia
    Because the phon is a unit associated with a subjective percept, it is obtained by presenting the considered sound to a group of normal-hearing human listeners and by taking the median of the loudness levels they report
  • Phon | Sound Level, Decibel Acoustics | Britannica
    Phon, unit of loudness level The loudness level of a sound is a subjective, rather than an objective, measure To measure loudness, the volume of a 1,000-hertz reference tone is adjusted until it is perceived by listeners to be equally as loud as the sound being measured
  • Loudness Units: Phons and Sones - HyperPhysics
    Using the rule of thumb for loudness, the sone scale was created to provide such a linear scale of loudness It is usually presumed that the standard range for orchestral music is about 40 to 100 phons
  • PHON Definition Meaning | Dictionary. com
    PHON definition: a unit for measuring the apparent loudness of a sound, equal in number for a given sound to the intensity in decibels of a sound having a frequency of 1000 cycles per second when, in the judgment of a group of listeners, the two sounds are of equal loudness
  • Cell Phones, Smartphones Tablets - Virgin Plus
    Choose from a vast selection of the latest Phones and Tablets from Google, Apple, Samsung and more Shop online and benefit from free shipping in Canada
  • Phon Definition Meaning | YourDictionary
    Phon definition: A measure of the apparent loudness level of a sound with respect to a 1,000-cycle-per-second pure tone: based on the subjective judgment of the human ear or on objective comparisons of acoustical measurements





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